use reverted scattergl and splom packages and maintain point-cluster at v3

Author: archmoj

package-lock.json

@@ -60,7 +60,7 @@
     "@plotly/d3": "^3.5.18",
     "@plotly/d3-sankey": "0.7.2",
     "@plotly/d3-sankey-circular": "0.33.1",
-    "@plotly/point-cluster": "^4.0.0",
+    "@plotly/point-cluster": "^3.1.9",
     "@turf/area": "^6.0.1",
     "@turf/bbox": "^6.0.1",
     "@turf/centroid": "^6.0.2",
@@ -110,8 +110,8 @@
     "regl": "^1.6.1",
     "regl-error2d": "^2.0.11",
     "regl-line2d": "^3.1.0",
-    "regl-scatter2d": "^3.2.2",
-    "regl-splom": "^1.0.13",
+    "regl-scatter2d": "^3.2.3",
+    "regl-splom": "^1.0.14",
     "right-now": "^1.0.0",
     "robust-orientation": "^1.1.3",
     "sane-topojson": "^4.0.0",